Now there is one more adjustment I want to make to this composition before we…hang it up and move on to the next project. If you are just joining us you can…catch up with me by opening this image called Density mask.psd. It's found…inside the 12_specialty folder. Notice that in addition to sharpening the…really great stuff inside this image, such as the eyes and the eyebrows and the…nose and the mouth and the hair and so forth.…We also have sharpened the effects of the color modification that we made to…this image. So you can see this edge next to her hair, for example, at least…inside my composition it's really coming out nicely. I will go ahead and zoom…in there a little more so that we can see that edge up close and personal. So…you can see that there is almost a razor sharp edge along this hair.…

Then it's something of a function of this horrible edge that I left behind…inside of the layer mask. It's associated with the yellow layer and you can see…that I did leave a bad edge there and sort of bad in this region as well. This…

Resume Transcript Auto-Scroll

Author

Released

11/21/2007

The elusive alpha channel remains one of the most misunderstood yet powerful tools in Photoshop. Alpha channels are collections of luminance data that control the transparency of an image, and they inform just about every aspect of Photoshop. As he builds transitional blended layers, fashions a depth map, makes edge adjustments, and takes on extreme channel mixing, Omni Award-winning expert Deke McClelland teaches Photoshop users that where there's a will, there's a way. Photoshop CS3 Channels and Masks: Advanced Techniques covers mapping texture on an image, turning flesh into stone, using vector masks, working with all different channels, creating a rustic edge effect, and much more. Exercise files accompany the tutorials.